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1. (n.) acetabulum
the socket in the hipbone that connects with the head of the femur to form the hip joint.
2. acetabulum
any of the suction appendages of a leech, octopus, etc.
3. acetabulum
the depression on the body into which an insect's leg fits.
Etymology: (1660–70; < L: hip socket)
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| Definition of 'acetabulum' |
Princeton's WordNet |
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1. (noun) acetabulum, cotyloid cavity
the cup-shaped hollow in the hipbone into which the head of the femur fits to form a ball-and-socket joint
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| Definition of 'acetabulum' |
Webster Dictionary |
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1. (noun) acetabulum
a vinegar cup; socket of the hip bone; a measure of about one eighth of a pint, etc
2. (noun) acetabulum
the bony cup which receives the head of the thigh bone
3. (noun) acetabulum
the cavity in which the leg of an insect is inserted at its articulation with the body
4. (noun) acetabulum
a sucker of the sepia or cuttlefish and related animals
5. (noun) acetabulum
the large posterior sucker of the leeches
6. (noun) acetabulum
one of the lobes of the placenta in ruminating animals
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Definitions of acetabulum 
